Who is Leonard duka?

There is no widely known or prominent person named "Leonard Duka." It's possible that this is a misspelling or a name that's not publicly known.

Could you provide more context or information about Leonard Duka? For example:

* Where did you hear this name?

* What is the context of this name?

* Are you looking for a specific person or a general overview?

With more information, I might be able to help you find what you're looking for.